Finding the Fourth Proportional to 77,429.43, 116,215.43 and 47,904.93

Step by Step Solution

1. Step 1: Write the proportion equation
   77,429.43 : 116,215.43 = 47,904.93 : x
2. Step 2: Convert to fraction form
   77,429.43/116,215.43 = 47,904.93/x
3. Step 3: Cross multiply
   77,429.43x = 116,215.43 × 47,904.93
4. Step 4: Simplify right side
   77,429.43x = 5,567,291,799.55
5. Step 5: Solve for x
   x = 5,567,291,799.55/77,429.43
6. Step 6: Final answer
   x = 71,901.50